54700621 has 4 divisors (see below), whose sum is σ = 55864512. Its totient is φ = 53536732.

The previous prime is 54700619. The next prime is 54700631. The reversal of 54700621 is 12600745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12600745 = 5 ⋅2520149.

It is a cyclic number.

It is not a de Polignac number, because 54700621 - 2¹ = 54700619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54700631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581875 + ... + 581968.

It is an arithmetic number, because the mean of its divisors is an integer number (13966128).

Almost surely, 2^54700621 is an apocalyptic number.

It is an amenable number.

54700621 is a deficient number, since it is larger than the sum of its proper divisors (1163891).

54700621 is a wasteful number, since it uses less digits than its factorization.

54700621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163890.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 54700621 is about 7395.9868171867. The cubic root of 54700621 is about 379.6039756923.

The spelling of 54700621 in words is "fifty-four million, seven hundred thousand, six hundred twenty-one".