55154630 has 16 divisors (see below), whose sum is σ = 105118560. Its totient is φ = 20764032.

The previous prime is 55154629. The next prime is 55154633. The reversal of 55154630 is 3645155.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55154593 and 55154602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162050 + ... + 162389.

It is an arithmetic number, because the mean of its divisors is an integer number (6569910).

Almost surely, 2^55154630 is an apocalyptic number.

55154630 is a deficient number, since it is larger than the sum of its proper divisors (49963930).

55154630 is a wasteful number, since it uses less digits than its factorization.

55154630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324463.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55154630 is about 7426.6163223907. The cubic root of 55154630 is about 380.6513068675.

Adding to 55154630 its reverse (3645155), we get a palindrome (58799785).

The spelling of 55154630 in words is "fifty-five million, one hundred fifty-four thousand, six hundred thirty".