54729690 has 32 divisors (see below), whose sum is σ = 138265920. Its totient is φ = 13826304.

The previous prime is 54729677. The next prime is 54729737. The reversal of 54729690 is 9692745.

It is a super-2 number, since 2×54729690² = 5990677934992200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 47439 + ... + 48578.

It is an arithmetic number, because the mean of its divisors is an integer number (4320810).

Almost surely, 2^54729690 is an apocalyptic number.

54729690 is an abundant number, since it is smaller than the sum of its proper divisors (83536230).

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

54729690 is a wasteful number, since it uses less digits than its factorization.

54729690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96046.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 54729690 is about 7397.9517435571. The cubic root of 54729690 is about 379.6712068234.

The spelling of 54729690 in words is "fifty-four million, seven hundred twenty-nine thousand, six hundred ninety".