54721434 has 16 divisors (see below), whose sum is σ = 113217120. Its totient is φ = 17611440.

The previous prime is 54721427. The next prime is 54721441. The reversal of 54721434 is 43412745.

It is an interprime number because it is at equal distance from previous prime (54721427) and next prime (54721441).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157072 + ... + 157419.

It is an arithmetic number, because the mean of its divisors is an integer number (7076070).

Almost surely, 2^54721434 is an apocalyptic number.

54721434 is an abundant number, since it is smaller than the sum of its proper divisors (58495686).

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

54721434 is a wasteful number, since it uses less digits than its factorization.

54721434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314525.

The product of its digits is 13440, while the sum is 30.

The square root of 54721434 is about 7397.3937302269. The cubic root of 54721434 is about 379.6521146688.

It can be divided in two parts, 54721 and 434, that added together give a palindrome (55155).

The spelling of 54721434 in words is "fifty-four million, seven hundred twenty-one thousand, four hundred thirty-four".