55732698 has 160 divisors (see below), whose sum is σ = 156816000. Its totient is φ = 14732928.

The previous prime is 55732669. The next prime is 55732727. The reversal of 55732698 is 89623755.

It is a happy number.

55732698 is a `hidden beast` number, since 557 + 3 + 2 + 6 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (55732669) and next prime (55732727).

It is a super-2 number, since 2×55732698² = 6212267252718408, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 944593 + ... + 944651.

It is an arithmetic number, because the mean of its divisors is an integer number (980100).

Almost surely, 2^55732698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55732698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78408000).

55732698 is an abundant number, since it is smaller than the sum of its proper divisors (101083302).

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

55732698 is a wasteful number, since it uses less digits than its factorization.

55732698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 88 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 55732698 is about 7465.4335440080. The cubic root of 55732698 is about 381.9765388586.

The spelling of 55732698 in words is "fifty-five million, seven hundred thirty-two thousand, six hundred ninety-eight".