54213624 has 40 divisors (see below), whose sum is σ = 151850160. Its totient is φ = 18070992.

The previous prime is 54213619. The next prime is 54213659. The reversal of 54213624 is 42631245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41184 + ... + 42479.

It is an arithmetic number, because the mean of its divisors is an integer number (3796254).

Almost surely, 2^54213624 is an apocalyptic number.

54213624 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

54213624 is an abundant number, since it is smaller than the sum of its proper divisors (97636536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54213624 is a wasteful number, since it uses less digits than its factorization.

54213624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83681 (or 83668 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 54213624 is about 7362.9901534635. The cubic root of 54213624 is about 378.4740839204.

Adding to 54213624 its reverse (42631245), we get a palindrome (96844869).

It can be divided in two parts, 5421 and 3624, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 54213624 in words is "fifty-four million, two hundred thirteen thousand, six hundred twenty-four".