54998531 has 6 divisors (see below), whose sum is σ = 63977940. Its totient is φ = 47141556.

The previous prime is 54998527. The next prime is 54998533. The reversal of 54998531 is 13589945.

It is a happy number.

It is not a de Polignac number, because 54998531 - 2² = 54998527 is a prime.

It is a super-2 number, since 2×54998531² = 6049676824315922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54998533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561161 + ... + 561258.

It is an arithmetic number, because the mean of its divisors is an integer number (10662990).

Almost surely, 2^54998531 is an apocalyptic number.

54998531 is a deficient number, since it is larger than the sum of its proper divisors (8979409).

54998531 is a wasteful number, since it uses less digits than its factorization.

54998531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122433 (or 1122426 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 54998531 is about 7416.0994464745. The cubic root of 54998531 is about 380.2918602659.

The spelling of 54998531 in words is "fifty-four million, nine hundred ninety-eight thousand, five hundred thirty-one".