54789690 has 16 divisors (see below), whose sum is σ = 131495328. Its totient is φ = 14610576.

The previous prime is 54789689. The next prime is 54789731. The reversal of 54789690 is 9698745.

It is a super-2 number, since 2×54789690² = 6003820260592200, 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 7 ways as a sum of consecutive naturals, for example, 913132 + ... + 913191.

It is an arithmetic number, because the mean of its divisors is an integer number (8218458).

Almost surely, 2^54789690 is an apocalyptic number.

54789690 is an abundant number, since it is smaller than the sum of its proper divisors (76705638).

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

54789690 is a wasteful number, since it uses less digits than its factorization.

54789690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826333.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 54789690 is about 7402.0058092385. The cubic root of 54789690 is about 379.8099002993.

The spelling of 54789690 in words is "fifty-four million, seven hundred eighty-nine thousand, six hundred ninety".