54697830 has 64 divisors (see below), whose sum is σ = 145006848. Its totient is φ = 13093760.

The previous prime is 54697817. The next prime is 54697843. The reversal of 54697830 is 3879645.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54697817) and next prime (54697843).

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, 26392 + ... + 28388.

It is an arithmetic number, because the mean of its divisors is an integer number (2265732).

Almost surely, 2^54697830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54697830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72503424).

54697830 is an abundant number, since it is smaller than the sum of its proper divisors (90309018).

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

54697830 is a wasteful number, since it uses less digits than its factorization.

54697830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 54697830 is about 7395.7981313716. The cubic root of 54697830 is about 379.5975193810.

The spelling of 54697830 in words is "fifty-four million, six hundred ninety-seven thousand, eight hundred thirty".