55000040451 has 16 divisors (see below), whose sum is σ = 75868198560. Its totient is φ = 35399490560.

The previous prime is 55000040377. The next prime is 55000040471. The reversal of 55000040451 is 15404000055.

It is a cyclic number.

It is not a de Polignac number, because 55000040451 - 2¹⁵ = 55000007683 is a prime.

It is a super-2 number, since 2×55000040451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55000040471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937581 + ... + 1965761.

It is an arithmetic number, because the mean of its divisors is an integer number (4741762410).

Almost surely, 2^55000040451 is an apocalyptic number.

55000040451 is a deficient number, since it is larger than the sum of its proper divisors (20868158109).

55000040451 is a wasteful number, since it uses less digits than its factorization.

55000040451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50646.

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 55000040451 in words is "fifty-five billion, forty thousand, four hundred fifty-one".