55057534 has 8 divisors (see below), whose sum is σ = 94384368. Its totient is φ = 23596080.

The previous prime is 55057531. The next prime is 55057537. The reversal of 55057534 is 43575055.

55057534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55057531) and next prime (55057537).

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

It is a super-2 number, since 2×55057534² = 6062664100322312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55057534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55057531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966327 + ... + 1966354.

It is an arithmetic number, because the mean of its divisors is an integer number (11798046).

Almost surely, 2^55057534 is an apocalyptic number.

55057534 is a deficient number, since it is larger than the sum of its proper divisors (39326834).

55057534 is a wasteful number, since it uses less digits than its factorization.

55057534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932690.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 55057534 is about 7420.0764147009. The cubic root of 55057534 is about 380.4278053597.

The spelling of 55057534 in words is "fifty-five million, fifty-seven thousand, five hundred thirty-four".