55377653020383 has 32 divisors (see below), whose sum is σ = 78920452106496. Its totient is φ = 34417847720448.

The previous prime is 55377653020357. The next prime is 55377653020387. The reversal of 55377653020383 is 38302035677355.

It is a happy number.

It is not a de Polignac number, because 55377653020383 - 2⁸ = 55377653020127 is a prime.

It is a super-2 number, since 2×55377653020383² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55377653020387) 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, 44643060 + ... + 45866742.

It is an arithmetic number, because the mean of its divisors is an integer number (2466264128328).

Almost surely, 2^{55377653020383} is an apocalyptic number.

55377653020383 is a deficient number, since it is larger than the sum of its proper divisors (23542799086113).

55377653020383 is a wasteful number, since it uses less digits than its factorization.

55377653020383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232103.

The product of its (nonzero) digits is 47628000, while the sum is 57.

The spelling of 55377653020383 in words is "fifty-five trillion, three hundred seventy-seven billion, six hundred fifty-three million, twenty thousand, three hundred eighty-three".