55698940264 has 32 divisors (see below), whose sum is σ = 114273908640. Its totient is φ = 25241198400.

The previous prime is 55698940261. The next prime is 55698940273. The reversal of 55698940264 is 46204989655.

It is a junction number, because it is equal to n+sod(n) for n = 55698940199 and 55698940208.

It is not an unprimeable number, because it can be changed into a prime (55698940261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926979 + ... + 985234.

It is an arithmetic number, because the mean of its divisors is an integer number (3571059645).

Almost surely, 2^55698940264 is an apocalyptic number.

It is an amenable number.

55698940264 is an abundant number, since it is smaller than the sum of its proper divisors (58574968376).

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

55698940264 is a wasteful number, since it uses less digits than its factorization.

55698940264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912561 (or 1912557 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 55698940264 in words is "fifty-five billion, six hundred ninety-eight million, nine hundred forty thousand, two hundred sixty-four".