54649404 has 60 divisors (see below), whose sum is σ = 147499968. Its totient is φ = 17625600.

The previous prime is 54649367. The next prime is 54649409. The reversal of 54649404 is 40494645.

54649404 is a `hidden beast` number, since 5 + 4 + 649 + 4 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54649409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7324 + ... + 12764.

Almost surely, 2^54649404 is an apocalyptic number.

54649404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54649404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73749984).

54649404 is an abundant number, since it is smaller than the sum of its proper divisors (92850564).

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

54649404 is a wasteful number, since it uses less digits than its factorization.

54649404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488 (or 5477 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 54649404 is about 7392.5235204225. The cubic root of 54649404 is about 379.4854624249.

The spelling of 54649404 in words is "fifty-four million, six hundred forty-nine thousand, four hundred four".