53949976007 has 8 divisors (see below), whose sum is σ = 55637124480. Its totient is φ = 52288585720.

The previous prime is 53949975979. The next prime is 53949976019. The reversal of 53949976007 is 70067994935.

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

It is a cyclic number.

It is not a de Polignac number, because 53949976007 - 2¹⁸ = 53949713863 is a prime.

It is a super-2 number, since 2×53949976007² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53949976307) 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, 6435293 + ... + 6443670.

It is an arithmetic number, because the mean of its divisors is an integer number (6954640560).

Almost surely, 2^53949976007 is an apocalyptic number.

53949976007 is a deficient number, since it is larger than the sum of its proper divisors (1687148473).

53949976007 is a wasteful number, since it uses less digits than its factorization.

53949976007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879093.

The product of its (nonzero) digits is 12859560, while the sum is 59.

The spelling of 53949976007 in words is "fifty-three billion, nine hundred forty-nine million, nine hundred seventy-six thousand, seven".