55439710 has 8 divisors (see below), whose sum is σ = 99791496. Its totient is φ = 22175880.

The previous prime is 55439707. The next prime is 55439717. The reversal of 55439710 is 1793455.

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

It is a super-2 number, since 2×55439710² = 6147122889768200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55439717) 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, 2771976 + ... + 2771995.

It is an arithmetic number, because the mean of its divisors is an integer number (12473937).

Almost surely, 2^55439710 is an apocalyptic number.

55439710 is a deficient number, since it is larger than the sum of its proper divisors (44351786).

55439710 is a wasteful number, since it uses less digits than its factorization.

55439710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543978.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 55439710 is about 7445.7847135141. The cubic root of 55439710 is about 381.3060095084.

The spelling of 55439710 in words is "fifty-five million, four hundred thirty-nine thousand, seven hundred ten".