55313610 has 64 divisors (see below), whose sum is σ = 149520384. Its totient is φ = 12974400.

The previous prime is 55313581. The next prime is 55313627. The reversal of 55313610 is 1631355.

It is a super-4 number, since 4×55313610⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7527 + ... + 12933.

It is an arithmetic number, because the mean of its divisors is an integer number (2336256).

Almost surely, 2^55313610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55313610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74760192).

55313610 is an abundant number, since it is smaller than the sum of its proper divisors (94206774).

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

55313610 is a wasteful number, since it uses less digits than its factorization.

55313610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 55313610 is about 7437.3120144310. The cubic root of 55313610 is about 381.0166910799.

Adding to 55313610 its reverse (1631355), we get a palindrome (56944965).

The spelling of 55313610 in words is "fifty-five million, three hundred thirteen thousand, six hundred ten".