54615157357620 has 96 divisors (see below), whose sum is σ = 156075772809600. Its totient is φ = 14265506916864.

The previous prime is 54615157357613. The next prime is 54615157357627. The reversal of 54615157357620 is 2675375151645.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54615157357613) and next prime (54615157357627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54615157357627) 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, 26867815 + ... + 28828974.

It is an arithmetic number, because the mean of its divisors is an integer number (1625789300100).

Almost surely, 2^{54615157357620} is an apocalyptic number.

It is an amenable number.

54615157357620 is an abundant number, since it is smaller than the sum of its proper divisors (101460615451980).

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

54615157357620 is a wasteful number, since it uses less digits than its factorization.

54615157357620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55697137 (or 55697135 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 54615157357620 in words is "fifty-four trillion, six hundred fifteen billion, one hundred fifty-seven million, three hundred fifty-seven thousand, six hundred twenty".