55077396408 has 96 divisors (see below), whose sum is σ = 150466118400. Its totient is φ = 18200001600.

The previous prime is 55077396401. The next prime is 55077396421. The reversal of 55077396408 is 80469377055.

55077396408 is a `hidden beast` number, since 5 + 507 + 7 + 3 + 96 + 40 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55077396401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4259473 + ... + 4272383.

It is an arithmetic number, because the mean of its divisors is an integer number (1567355400).

Almost surely, 2^55077396408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55077396408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75233059200).

55077396408 is an abundant number, since it is smaller than the sum of its proper divisors (95388721992).

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

55077396408 is a wasteful number, since it uses less digits than its factorization.

55077396408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433 (or 13426 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 55077396408 in words is "fifty-five billion, seventy-seven million, three hundred ninety-six thousand, four hundred eight".