54690636 has 192 divisors, whose sum is σ = 178375680. Its totient is φ = 12579840.

The previous prime is 54690617. The next prime is 54690667. The reversal of 54690636 is 63609645.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 54690594 and 54690603.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348270 + ... + 348426.

It is an arithmetic number, because the mean of its divisors is an integer number (929040).

Almost surely, 2^54690636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54690636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89187840).

54690636 is an abundant number, since it is smaller than the sum of its proper divisors (123685044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54690636 is a wasteful number, since it uses less digits than its factorization.

54690636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 54690636 is about 7395.3117581343. The cubic root of 54690636 is about 379.5808767690.

The spelling of 54690636 in words is "fifty-four million, six hundred ninety thousand, six hundred thirty-six".