55064157 has 8 divisors (see below), whose sum is σ = 73495680. Its totient is φ = 36671040.

The previous prime is 55064131. The next prime is 55064161. The reversal of 55064157 is 75146055.

55064157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55064157 - 2¹⁰ = 55063133 is a prime.

It is a super-2 number, since 2×55064157² = 6064122772241298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55064057) 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 7 ways as a sum of consecutive naturals, for example, 6069 + ... + 12122.

It is an arithmetic number, because the mean of its divisors is an integer number (9186960).

Almost surely, 2^55064157 is an apocalyptic number.

It is an amenable number.

55064157 is a deficient number, since it is larger than the sum of its proper divisors (18431523).

55064157 is a wasteful number, since it uses less digits than its factorization.

55064157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19203.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55064157 is about 7420.5226904848. The cubic root of 55064157 is about 380.4430589327.

Multiplying 55064157 by its sum of digits (33), we get a palindrome (1817117181).

The spelling of 55064157 in words is "fifty-five million, sixty-four thousand, one hundred fifty-seven".