55739377512 has 192 divisors, whose sum is σ = 195577200000. Its totient is φ = 13926753792.

The previous prime is 55739377489. The next prime is 55739377513. The reversal of 55739377512 is 21577393755.

It is a happy number.

55739377512 is a `hidden beast` number, since 5 + 57 + 3 + 9 + 3 + 77 + 512 = 666.

It is not an unprimeable number, because it can be changed into a prime (55739377513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99387 + ... + 348362.

It is an arithmetic number, because the mean of its divisors is an integer number (1018631250).

Almost surely, 2^55739377512 is an apocalyptic number.

55739377512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55739377512 is an abundant number, since it is smaller than the sum of its proper divisors (139837822488).

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

55739377512 is a wasteful number, since it uses less digits than its factorization.

55739377512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447800 (or 447793 counting only the distinct ones).

The product of its digits is 6945750, while the sum is 54.

The spelling of 55739377512 in words is "fifty-five billion, seven hundred thirty-nine million, three hundred seventy-seven thousand, five hundred twelve".