55700438 has 8 divisors (see below), whose sum is σ = 87948120. Its totient is φ = 26384400.

The previous prime is 55700431. The next prime is 55700453. The reversal of 55700438 is 83400755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55700431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732863 + ... + 732938.

It is an arithmetic number, because the mean of its divisors is an integer number (10993515).

Almost surely, 2^55700438 is an apocalyptic number.

55700438 is a deficient number, since it is larger than the sum of its proper divisors (32247682).

55700438 is a wasteful number, since it uses less digits than its factorization.

55700438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465822.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55700438 is about 7463.2726065715. The cubic root of 55700438 is about 381.9028242535.

The spelling of 55700438 in words is "fifty-five million, seven hundred thousand, four hundred thirty-eight".