54992270 has 64 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 19813248.

The previous prime is 54992261. The next prime is 54992309. The reversal of 54992270 is 7229945.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432947 + ... + 433073.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 2^54992270 is an apocalyptic number.

54992270 is a deficient number, since it is larger than the sum of its proper divisors (54493810).

54992270 is a wasteful number, since it uses less digits than its factorization.

54992270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 54992270 is about 7415.6773122891. The cubic root of 54992270 is about 380.2774289853.

The spelling of 54992270 in words is "fifty-four million, nine hundred ninety-two thousand, two hundred seventy".