54053503251 has 16 divisors (see below), whose sum is σ = 78802394880. Its totient is φ = 32685066720.

The previous prime is 54053503247. The next prime is 54053503261. The reversal of 54053503251 is 15230535045.

It is a happy number.

It is not a de Polignac number, because 54053503251 - 2² = 54053503247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (54053503261) 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, 1851100 + ... + 1880073.

It is an arithmetic number, because the mean of its divisors is an integer number (4925149680).

Almost surely, 2^54053503251 is an apocalyptic number.

54053503251 is a deficient number, since it is larger than the sum of its proper divisors (24748891629).

54053503251 is a wasteful number, since it uses less digits than its factorization.

54053503251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731626.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 54053503251 in words is "fifty-four billion, fifty-three million, five hundred three thousand, two hundred fifty-one".