55213012510 has 32 divisors (see below), whose sum is σ = 100607754240. Its totient is φ = 21814666272.

The previous prime is 55213012493. The next prime is 55213012579. The reversal of 55213012510 is 1521031255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192531 + ... + 384049.

It is an arithmetic number, because the mean of its divisors is an integer number (3143992320).

Almost surely, 2^55213012510 is an apocalyptic number.

55213012510 is a deficient number, since it is larger than the sum of its proper divisors (45394741730).

55213012510 is a wasteful number, since it uses less digits than its factorization.

55213012510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191880.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 55213012510 its reverse (1521031255), we get a palindrome (56734043765).

The spelling of 55213012510 in words is "fifty-five billion, two hundred thirteen million, twelve thousand, five hundred ten".