55367909772 has 96 divisors (see below), whose sum is σ = 155243397120. Its totient is φ = 15023473920.

The previous prime is 55367909759. The next prime is 55367909789. The reversal of 55367909772 is 27790976355.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37708 + ... + 334899.

It is an arithmetic number, because the mean of its divisors is an integer number (1617118720).

Almost surely, 2^55367909772 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 55367909772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77621698560).

55367909772 is an abundant number, since it is smaller than the sum of its proper divisors (99875487348).

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

55367909772 is a wasteful number, since it uses less digits than its factorization.

55367909772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372711 (or 372709 counting only the distinct ones).

The product of its (nonzero) digits is 25004700, while the sum is 60.

The spelling of 55367909772 in words is "fifty-five billion, three hundred sixty-seven million, nine hundred nine thousand, seven hundred seventy-two".