55740497693502 has 32 divisors (see below), whose sum is σ = 111512982434688. Its totient is φ = 18574835188896.

The previous prime is 55740497693501. The next prime is 55740497693521. The reversal of 55740497693502 is 20539679404755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55740497693501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640556148 + ... + 640643160.

It is an arithmetic number, because the mean of its divisors is an integer number (3484780701084).

Almost surely, 2^{55740497693502} is an apocalyptic number.

55740497693502 is an abundant number, since it is smaller than the sum of its proper divisors (55772484741186).

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

55740497693502 is a wasteful number, since it uses less digits than its factorization.

55740497693502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116424.

The product of its (nonzero) digits is 285768000, while the sum is 66.

The spelling of 55740497693502 in words is "fifty-five trillion, seven hundred forty billion, four hundred ninety-seven million, six hundred ninety-three thousand, five hundred two".