55162464 has 192 divisors, whose sum is σ = 178827264. Its totient is φ = 14547456.

The previous prime is 55162447. The next prime is 55162469. The reversal of 55162464 is 46426155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55162469) 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, 664567 + ... + 664649.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 2^55162464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55162464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89413632).

55162464 is an abundant number, since it is smaller than the sum of its proper divisors (123664800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55162464 is a wasteful number, since it uses less digits than its factorization.

55162464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 161 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 55162464 is about 7427.1437309372. The cubic root of 55162464 is about 380.6693282083.

The spelling of 55162464 in words is "fifty-five million, one hundred sixty-two thousand, four hundred sixty-four".