55496397 has 32 divisors (see below), whose sum is σ = 86423040. Its totient is φ = 31320000.

The previous prime is 55496393. The next prime is 55496407. The reversal of 55496397 is 79369455.

It is not a de Polignac number, because 55496397 - 2² = 55496393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55496393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37522 + ... + 38972.

It is an arithmetic number, because the mean of its divisors is an integer number (2700720).

Almost surely, 2^55496397 is an apocalyptic number.

55496397 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

55496397 is a deficient number, since it is larger than the sum of its proper divisors (30926643).

55496397 is a wasteful number, since it uses less digits than its factorization.

55496397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its digits is 1020600, while the sum is 48.

The square root of 55496397 is about 7449.5903914242. The cubic root of 55496397 is about 381.4359267994.

The spelling of 55496397 in words is "fifty-five million, four hundred ninety-six thousand, three hundred ninety-seven".