55772045005 has 8 divisors (see below), whose sum is σ = 66930630624. Its totient is φ = 44614851600.

The previous prime is 55772044973. The next prime is 55772045009. The reversal of 55772045005 is 50054027755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55772045005 - 2⁵ = 55772044973 is a prime.

It is a super-2 number, since 2×55772045005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55772045009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257791 + ... + 421900.

It is an arithmetic number, because the mean of its divisors is an integer number (8366328828).

Almost surely, 2^55772045005 is an apocalyptic number.

It is an amenable number.

55772045005 is a deficient number, since it is larger than the sum of its proper divisors (11158585619).

55772045005 is a wasteful number, since it uses less digits than its factorization.

55772045005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696107.

The product of its (nonzero) digits is 245000, while the sum is 40.

The spelling of 55772045005 in words is "fifty-five billion, seven hundred seventy-two million, forty-five thousand, five".