54661506 has 16 divisors (see below), whose sum is σ = 112278144. Its totient is φ = 17727984.

The previous prime is 54661489. The next prime is 54661507. The reversal of 54661506 is 60516645.

It is not an unprimeable number, because it can be changed into a prime (54661507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122890 + ... + 123333.

It is an arithmetic number, because the mean of its divisors is an integer number (7017384).

Almost surely, 2^54661506 is an apocalyptic number.

54661506 is an abundant number, since it is smaller than the sum of its proper divisors (57616638).

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

54661506 is a wasteful number, since it uses less digits than its factorization.

54661506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246265.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 54661506 is about 7393.3420048041. The cubic root of 54661506 is about 379.5134724535.

The spelling of 54661506 in words is "fifty-four million, six hundred sixty-one thousand, five hundred six".